Finding the Third Proportional to 63,706,918.50 and 139,568,904

Step by Step Solution

1. Step 1: Write the proportion equation
   63,706,918.50 : 139,568,904 = 139,568,904 : x
2. Step 2: Convert to fraction form
   63,706,918.50/139,568,904 = 139,568,904/x
3. Step 3: Cross multiply
   63,706,918.50x = 139,568,904 × 139,568,904
4. Step 4: Simplify right side
   63,706,918.50x = 19,479,478,963,761,216
5. Step 5: Solve for x
   x = 19,479,478,963,761,216/63,706,918.50
6. Step 6: Final answer
   x = 305,767,088.13